24520123493 has 2 divisors, whose sum is σ = 24520123494. Its totient is φ = 24520123492.

The previous prime is 24520123489. The next prime is 24520123549. The reversal of 24520123493 is 39432102542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23135018404 + 1385105089 = 152102^2 + 37217^2 .

It is a cyclic number.

It is not a de Polignac number, because 24520123493 - 2² = 24520123489 is a prime.

It is a super-2 number, since 2×24520123493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24520123403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12260061746 + 12260061747.

It is an arithmetic number, because the mean of its divisors is an integer number (12260061747).

Almost surely, 2^24520123493 is an apocalyptic number.

It is an amenable number.

24520123493 is a deficient number, since it is larger than the sum of its proper divisors (1).

24520123493 is an equidigital number, since it uses as much as digits as its factorization.

24520123493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 24520123493 in words is "twenty-four billion, five hundred twenty million, one hundred twenty-three thousand, four hundred ninety-three".